By trying to make things easier for their children, parents can make things much harder for them.

There is one message children can never hear enough as they grow up, and adults should never forget as long as they live: To accomplish big things, you must first dream big dreams.

To have meaning, our lives require both passion and purpose. A life without passion is like a furnace without fuel, and without purpose, like a ship without a rudder.

When we successfully deceive others, they are not aware of it; the same is true with self-deception.

Turning seventy is like beginning the eighth inning of a baseball game. The contest is nearing completion, but there's likely to be some action, and even a few exciting plays, before the game draws to an end.

The young think about how they'll change the world, the old think about how the world has changed.

A life without purpose is like a novel without a plot. It wanders all over the place, is hard to follow, and in the end, doesn't get particularly good reviews.